FreeStyle Libre 3 Sensor 14-Day Supply | World’s Smallest, Thinest Sensor
$129.00 — or subscribe and save 10%
- U.S. Users ONLY!
- Sensor kit includes 14-Day sensor & 1 applicator
- Sensor size: Smaller than 2 stacked pennies
- Dimensions: 2.9mm h and 21mm diameter | Weight: 1 gram
- Wearable constant monitoring without finger pricks
- Requires Libre 3 reader or a compatible smartphone app
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FREEDOM AT YOUR FINGERTIPS
Libre 3: The World’s Smallest, Thinest Sensor
Take control over glucose monitoring like never before with the Freestyle Libre 3 – the smallest, most discrete CGM sensor!
The Libre 3 sensor enables the user to obtain continuous, discrete blood glucose readings without the constant hassle of carrying and disposing of lancets and test strips. The Freestyle Libre 3 sensor is worn on the back of the arm and automatically tracks glucose levels day and night.
The Libre 3 system is smaller, simpler and more accurate than ever. It has has two simple components: (1) sensor and (2) reader or a compatible smartphone. The small sensor placed on the body will send continuous readings to the user’s Libre 3 Reader or paired smartphone.
Contents
- 1 Freestyle Libre 3 Sensor – 14 day supply
- 1 Sensor applicator
- Product information card
- Reader NOT included!
Libre 3 vs. 2 – THE NEW FEATURES
- Smaller than 2 stacked pennies: Features the world’s smallest, thinnest‡, and most discreet sensor. Size: 2.9 mm height and 21 mm diameter. Weight: 1 gram
- 1-piece, preloaded applicator: as opposed to Libre 2’s 2-piece applicator
- Real-time glucose readings are sent every minute to your smartphone* to be viewed with a quick glance†.
- User’s glucose data is automatically uploaded to LibreView to facilitate data sharing with your healthcare team.
Benefits
- FDA-cleared for adults and children with diabetes ages 4 years and above
- Accurate, up-to-the minute sensor readings
- Alarms with no scanning
- Optional real-time glucose alarms with accuracy you can trust
- Proven accuracy for children and teens (ages 4 and older) that caregivers can trust
Why Libre 3 Glucose Monitoring System?
The Freestyle Libre 3 system is one of the only glucose monitoring devices to measure glucose levels every minute. When combined with the Libre 3 14-day sensor, nearly unmatched levels of accuracy in a wearable CGM are provided. This means that a total of 1,440 readings per day ensure the user is always aware and in control.
Features
The Libre 3 System offers the following innovative features:
- Continuous Glucose Monitoring 24/7
- Wearable 14-day easy-to-apply sensor
- Instantaneous readings from the Libre 3 Reader (not included)
- Ability to pair with a smartphone through the FreeStyle Libre 3 App
- Audible high & low glucose alarms
- OPTIONAL: hyper-, hypo-, signal loss | MANDATORY: urgent low
- Small, discrete & scannable through clothing
Specifications
- Single use 14-day sensor
- Glucose reading range: 40 to 400 mg/dL
- Size: 2.9 mm height and 21 mm diameter
- Weight: 1 gram
- Power source: one silver oxide battery
- Memory: Up to 14 days (glucose readings stored every 5 minutes)
- Transmission range: 33 feet unobstructed
- Operating temperature 50 °F to 113 °F
- Water resistant: IP27: Can withstand immersion into 3 ft of water for up to 30 minutes
Applying the Libre 3 Sensor
Applying the sensor is surprisingly easy. By following just a few easy steps and you will be on your way to begin monitoring your glucose levels with the Libre 3 sensor system!
- Wash, Clean, and Dry: Select a site on the back of your upper arm. Clean skin with non-moisturizing, fragrance-free soap and water. Use an alcohol wipe to remove any oily residue and let air dry.
- Open Applicator: Unscrew cap from applicator and place sensor over the back of your upper arm.
WARNING! DO NOT PUT CAP BACK ON AS IT MAY DAMAGE THE SENSOR.
- Apply: To apply the sensor, press firmly and listen for the click. Pull back slowly after a few seconds.
Watch the Libre 3 application video below for more details:
Setting up and Obtaining Readings with the Libre 3 Sensor and iPhone
To use the Libre 3 Sensor with iPhone, first install the official Libre 3 app from the appstore . Upon launching the app, a prompt will appear to connect the device. This video walks you through the process:
How Often to Change the Libre 3 Sensor
Each wearable Libre 3 sensor is good for 14 days of use upon application. After 14 days have passed the sensor will no longer provide a reading and will need changed. Order the Libre 3 Sensor with Auto-ship to Avoid Running Out.
Watch the video below on how to replace your Libre 3 sensor:
Do I need the Libre 3 Reader?
Each Libre 3 Sensor will work with either the “optional” reader, or a paired smartphone through the Libre 3 iPhone app. You must have a Libre 3 reader or a compatible smartphone to receive the readings that the sensor collects.
Libre 3 Sensor Coupons and Discounts
At Diabetic Outlet we are dedicated to fast, reliable, and cost efficient offerings. Looking for a way to save time and cost on the Libre 3 sensor? We offer the following options
- Automatic subscription refills (sensor only) at a discount
- Site-wide coupons available through our monthly newsletter
- Bundle Discounts – Save on a Freestyle Libre 3 Reader & Sensor Bundle Here!
- Quantity Discounts – Buy Multiple Freestyle Libre 3 Sensors at once and save!
- Free Shipping
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Libre 3 User Guide
**This listing is for the sensor only. The reader must be purchased separately.
A prescription may be required to purchase this item.
Weight | 3 oz |
---|---|
Dimensions | 3 × 2 × 3 in |
Brand | Freestyle Libre, Freestyle Libre 3 |
1 review for FreeStyle Libre 3 Sensor 14-Day Supply | World’s Smallest, Thinest Sensor
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Gilberto P.
This the very best investment that I ever made. My fingers with the nerves pain, can’t take it anymore. Thanks the product. “Filling great” Thank you. He hy

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This the very best investment that I ever made. My fingers with the nerves pain, can’t take it anymore. Thanks the product. “Filling great” Thank you. He hy